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CATRINA GREFE
NPI 1083194500
Nurse Practitioner - Adult Health in Aiken, SC

Active since August 14, 2018PECOS EnrolledAccepts Medicare Assignment
3525 AUGUSTUS RD, AIKEN, SC 29801(803) 642-8376 Get Directions Write a Review

NPPES record last updated: July 10, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 10, 2023, Mar 10, 2023, Aug 14, 2018 (3 updates tracked since 2018).

About Catrina Grefe NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CATRINA GREFE (NPI 1083194500) is an individual adult health provider in Aiken, South Carolina, licensed in South Carolina (26706) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1083194500
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameCATRINA GREFE
Location Address3525 AUGUSTUS RDAiken, SC 29801-2701
Mailing Address89 Old Trolley Rd Ste 105Summerville, SC 29485-4957 · (877) 279-5960
Phone(803) 642-8376
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 14, 2018
Last NPPES UpdateJuly 10, 20233 updates tracked since enumeration
NPPES CertifiedJuly 10, 2023
✔ NPI 1083194500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
Licenses✔ Licensed in SC · 26706✔ Licensed in NY · F308843-1
3525 AUGUSTUS RD, Aiken, SC 29801
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Catrina Grefe is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567714181
PECOS Enrollment IDI20230405000354
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Catrina Grefe reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ch Specialty Services Sc LLC
110 mi
Family
6650 RIVERS AVE
North Charleston, SC 29406
  • Reassigned Medicare billing, South Carolina enrollment
  • 338 clinicians in this Medicare group
NPI 1275915522 (337) 991-9276
Curana Health Of South Carolina PC
115 mi
Internal Medicine
2375 BAKER HOSPITAL BLVD
North Charleston, SC 29405
  • Reassigned Medicare billing, South Carolina enrollment
  • 409 clinicians in this Medicare group
NPI 1316477896 (337) 991-9276
Deford Rehab Consulting LLC
118 mi
Physical Medicine & Rehabilitation
305 ISLAND PARK DR
Daniel Island, SC 29492
  • Reassigned Medicare billing, South Carolina enrollment
  • 5 clinicians in this Medicare group
NPI 1144885153 (843) 764-3500
North Shore Hematology Oncology Associates PC
697 mi
Specialist
49 NESCONSET HWY
Port Jefferson Station, NY 11776
  • Reassigned Medicare billing, New York enrollment
  • 636 clinicians in this Medicare group
NPI 1396794574 (631) 751-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
520 services80 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
354 services66 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
354 services102 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
133 services58 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
130 services84 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
83 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TASHARA HARRIS
Occupational Therapy Assistant
3525 AUGUSTUS RD
AIKEN, SC 29801
Aiken County (803) 642-8376
MRS. CAROLYN MARIE HOOKS
Physical Therapy Assistant
3525 AUGUSTUS RD
AIKEN, SC 29801
Aiken County (803) 642-8376
PEPPER HILL SNF OPERATIONS LLC
Skilled Nursing Facility
3525 AUGUSTUS RD
AIKEN, SC 29801
Aiken County (803) 642-8376
DR. ELISIA ANN BOATRIGHT PT, DPT
Physical Therapist
3525 AUGUSTUS RD
AIKEN, SC 29801
Aiken County (803) 642-8376
MRS. TERRY J. WELLS M.S. CCC-SLP
Speech-Language Pathologist
3525 AUGUSTUS RD
AIKEN, SC 29801
Aiken County (803) 642-8376
AIKEN OPCO LLC
Skilled Nursing Facility
3525 AUGUSTUS RD
AIKEN, SC 29801
Aiken County (803) 642-8376
VICTORIA LYNNE COZART
Occupational Therapy Assistant
3525 AUGUSTUS RD
AIKEN, SC 29801
Aiken County (803) 642-8376
THE PLACE AT PEPPER HILL LLC
Skilled Nursing Facility
3525 AUGUSTUS RD
AIKEN, SC 29801
Aiken County (803) 642-8376

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Catrina Grefe's NPI number?

The NPI number for Catrina Grefe is 1083194500. It was assigned to this individual provider in the NPPES registry on August 14, 2018.

Where is Catrina Grefe located?

Catrina Grefe practices at 3525 Augustus Rd, Aiken, SC 29801. The listed phone number is (803) 642-8376.

What is Catrina Grefe's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Catrina Grefe enrolled in Medicare?

Yes. Catrina Grefe is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Catrina Grefe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catrina Grefe reassigns Medicare benefits to 4 organizations: Ch Specialty Services Sc LLC (North Charleston, SC), Curana Health Of South Carolina PC (North Charleston, SC), Deford Rehab Consulting LLC (Daniel Island, SC) and North Shore Hematology Oncology Associates PC (Port Jefferson Station, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Catrina Grefe's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catrina Grefe accept?

Health plans from BlueCross BlueShield of South Carolina and UnitedHealthcare list Catrina Grefe as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Catrina Grefe was last updated on July 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.